BEAM Russian patent published in 1995 - IPC

Abstract RU 2029039 C1

FIELD: construction. SUBSTANCE: beam includes wooden compressed and stretched lower belts connected by corrugated wall. Beam belts are asymmetric. Lower belt is made of stronger material with smaller sectional area, and wall is made with reduced amplitude of corrugation towards lower belt. Versions of beam corrugations are provided. EFFECT: higher efficiency. 12 cl, 21 dwg

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RU 2 029 039 C1

Authors

Selivanov Nikolaj Pavlovich

Dates

1995-02-20—Published

1992-04-24—Filed